American Technical Society, publishers, Chicago - reprint edition, 1943. hardcover, 6" x 8½" (no jacket issued?). Includes many photos, charts and diagrams. Original bookseller's sticker inside front cover. Book in VERY GOOD condition. Originally published in 1939. Given a basic knowledge of the internal combustion engine (as used in cars, planes, tractors, etc), this book develops from the first principles of Diesel-engine theory, application, performance, and design giving a clear understanding of the fuels used, chemistry of combustion, influence of shape of combustion chamber, testing and performance making possible an appreciation of the more technical design material presented in the latter part of this book.